Best Known (115−20, 115, s)-Nets in Base 4
(115−20, 115, 1643)-Net over F4 — Constructive and digital
Digital (95, 115, 1643)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (0, 10, 5)-net over F4, using
- net from sequence [i] based on digital (0, 4)-sequence over F4, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 0 and N(F) ≥ 5, using
- the rational function field F4(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 4)-sequence over F4, using
- digital (85, 105, 1638)-net over F4, using
- net defined by OOA [i] based on linear OOA(4105, 1638, F4, 20, 20) (dual of [(1638, 20), 32655, 21]-NRT-code), using
- OA 10-folding and stacking [i] based on linear OA(4105, 16380, F4, 20) (dual of [16380, 16275, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(4105, 16383, F4, 20) (dual of [16383, 16278, 21]-code), using
- 1 times truncation [i] based on linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using
- an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- 1 times truncation [i] based on linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(4105, 16383, F4, 20) (dual of [16383, 16278, 21]-code), using
- OA 10-folding and stacking [i] based on linear OA(4105, 16380, F4, 20) (dual of [16380, 16275, 21]-code), using
- net defined by OOA [i] based on linear OOA(4105, 1638, F4, 20, 20) (dual of [(1638, 20), 32655, 21]-NRT-code), using
- digital (0, 10, 5)-net over F4, using
(115−20, 115, 16356)-Net over F4 — Digital
Digital (95, 115, 16356)-net over F4, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4115, 16356, F4, 20) (dual of [16356, 16241, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(4115, 16421, F4, 20) (dual of [16421, 16306, 21]-code), using
- 1 times truncation [i] based on linear OA(4116, 16422, F4, 21) (dual of [16422, 16306, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(14) [i] based on
- linear OA(4106, 16384, F4, 21) (dual of [16384, 16278, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(478, 16384, F4, 15) (dual of [16384, 16306, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(410, 38, F4, 5) (dual of [38, 28, 6]-code), using
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 43−1, defining interval I = [0,3], and designed minimum distance d ≥ |I|+1 = 6 [i]
- discarding factors / shortening the dual code based on linear OA(410, 63, F4, 5) (dual of [63, 53, 6]-code), using
- construction X applied to Ce(20) ⊂ Ce(14) [i] based on
- 1 times truncation [i] based on linear OA(4116, 16422, F4, 21) (dual of [16422, 16306, 22]-code), using
- discarding factors / shortening the dual code based on linear OA(4115, 16421, F4, 20) (dual of [16421, 16306, 21]-code), using
(115−20, 115, large)-Net in Base 4 — Upper bound on s
There is no (95, 115, large)-net in base 4, because
- 18 times m-reduction [i] would yield (95, 97, large)-net in base 4, but